diff --git a/go-binding/feralfile-exhibition-v4/abi.go b/go-binding/feralfile-exhibition-v4/abi.go
index 646ca1c..a9c42f6 100644
--- a/go-binding/feralfile-exhibition-v4/abi.go
+++ b/go-binding/feralfile-exhibition-v4/abi.go
@@ -62,7 +62,7 @@ type IFeralfileSaleDataSaleData struct {
 // FeralfileExhibitionV4MetaData contains all meta data concerning the FeralfileExhibitionV4 contract.
 var FeralfileExhibitionV4MetaData = &bind.MetaData{
 	ABI: "[{\"inputs\":[{\"internalType\":\"string\",\"name\":\"name_\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"symbol_\",\"type\":\"string\"},{\"internalType\":\"bool\",\"name\":\"burnable_\",\"type\":\"bool\"},{\"internalType\":\"bool\",\"name\":\"bridgeable_\",\"type\":\"bool\"},{\"internalType\":\"address\",\"name\":\"signer_\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"vault_\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"costReceiver_\",\"type\":\"address\"},{\"internalType\":\"string\",\"name\":\"contractURI_\",\"type\":\"string\"},{\"internalType\":\"uint256[]\",\"name\":\"seriesIds_\",\"type\":\"uint256[]\"},{\"internalType\":\"uint256[]\",\"name\":\"seriesMaxSupplies_\",\"type\":\"uint256[]\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"inputs\":[],\"name\":\"AdvanceAddressAlreadyUsed\",\"type\":\"error\"},{\"inputs\":[],\"name\":\"InvalidAdvanceAddress\",\"type\":\"error\"},{\"inputs\":[],\"name\":\"InvalidAdvanceAddressesAndAmounts\",\"type\":\"error\"},{\"inputs\":[],\"name\":\"InvalidAdvanceAmount\",\"type\":\"error\"},{\"inputs\":[],\"name\":\"InvalidSignature\",\"type\":\"error\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"OperatorNotAllowed\",\"type\":\"error\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"approved\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"ApprovalForAll\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"BurnArtwork\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"buyer\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"BuyArtwork\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"seriesId\",\"type\":\"uint256\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"NewArtwork\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"OperatorFilterRegistry\",\"outputs\":[{\"internalType\":\"contractIOperatorFilterRegistry\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_trustee\",\"type\":\"address\"}],\"name\":\"addTrustee\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"advances\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"bridgeable\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256[]\",\"name\":\"tokenIds\",\"type\":\"uint256[]\"}],\"name\":\"burnArtworks\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"burnable\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"codeVersion\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"contractURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"costReceiver\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getArtwork\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"seriesId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"internalType\":\"structFeralfileExhibitionV4.Artwork\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"isApprovedForAll\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"seriesId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"internalType\":\"structFeralfileExhibitionV4.MintData[]\",\"name\":\"data\",\"type\":\"tuple[]\"}],\"name\":\"mintArtworks\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"mintable\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pauseSale\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_trustee\",\"type\":\"address\"}],\"name\":\"removeTrustee\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"resumeSale\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"selling\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"seriesId\",\"type\":\"uint256\"}],\"name\":\"seriesMaxSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"seriesId\",\"type\":\"uint256\"}],\"name\":\"seriesTotalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"approved\",\"type\":\"bool\"}],\"name\":\"setApprovalForAll\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"costReceiver_\",\"type\":\"address\"}],\"name\":\"setCostReceiver\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"signer_\",\"type\":\"address\"}],\"name\":\"setSigner\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"baseURI_\",\"type\":\"string\"}],\"name\":\"setTokenBaseURI\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"vault_\",\"type\":\"address\"}],\"name\":\"setVault\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"signer\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"startSale\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"stopSaleAndBurn\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256[]\",\"name\":\"seriesIds\",\"type\":\"uint256[]\"},{\"internalType\":\"address[]\",\"name\":\"recipientAddresses\",\"type\":\"address[]\"}],\"name\":\"stopSaleAndTransfer\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"tokenBaseURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"}],\"name\":\"tokenOfOwnerByIndex\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"tokenURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"tokensOfOwner\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"\",\"type\":\"uint256[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"trustees\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"operatorFilterRegisterAddress\",\"type\":\"address\"}],\"name\":\"updateOperatorFilterRegistry\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"vault\",\"outputs\":[{\"internalType\":\"contractIFeralfileVault\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"addresses_\",\"type\":\"address[]\"},{\"internalType\":\"uint256[]\",\"name\":\"amounts_\",\"type\":\"uint256[]\"}],\"name\":\"setAdvanceSetting\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"oldAddresses_\",\"type\":\"address[]\"},{\"internalType\":\"address[]\",\"name\":\"newAddresses_\",\"type\":\"address[]\"}],\"name\":\"replaceAdvanceAddresses\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"r_\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"s_\",\"type\":\"bytes32\"},{\"internalType\":\"uint8\",\"name\":\"v_\",\"type\":\"uint8\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"cost\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"expiryTime\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"destination\",\"type\":\"address\"},{\"internalType\":\"uint256[]\",\"name\":\"tokenIds\",\"type\":\"uint256[]\"},{\"components\":[{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"bps\",\"type\":\"uint256\"}],\"internalType\":\"structIFeralfileSaleData.RevenueShare[][]\",\"name\":\"revenueShares\",\"type\":\"tuple[][]\"},{\"internalType\":\"bool\",\"name\":\"payByVaultContract\",\"type\":\"bool\"}],\"internalType\":\"structIFeralfileSaleData.SaleData\",\"name\":\"saleData_\",\"type\":\"tuple\"}],\"name\":\"buyArtworks\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"}]",
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 }
 
 // FeralfileExhibitionV4ABI is the input ABI used to generate the binding from.
diff --git a/go-binding/feralfile-exhibition-v4_2/abi.go b/go-binding/feralfile-exhibition-v4_2/abi.go
new file mode 100644
index 0000000..28f2837
--- /dev/null
+++ b/go-binding/feralfile-exhibition-v4_2/abi.go
@@ -0,0 +1,2812 @@
+// Code generated - DO NOT EDIT.
+// This file is a generated binding and any manual changes will be lost.
+
+package feralfilev4_2
+
+import (
+	"errors"
+	"math/big"
+	"strings"
+
+	ethereum "github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/event"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var (
+	_ = errors.New
+	_ = big.NewInt
+	_ = strings.NewReader
+	_ = ethereum.NotFound
+	_ = bind.Bind
+	_ = common.Big1
+	_ = types.BloomLookup
+	_ = event.NewSubscription
+	_ = abi.ConvertType
+)
+
+// FeralfileExhibitionV4Artwork is an auto generated low-level Go binding around an user-defined struct.
+type FeralfileExhibitionV4Artwork struct {
+	SeriesId *big.Int
+	TokenId  *big.Int
+}
+
+// FeralfileExhibitionV4MintData is an auto generated low-level Go binding around an user-defined struct.
+type FeralfileExhibitionV4MintData struct {
+	SeriesId *big.Int
+	TokenId  *big.Int
+	Owner    common.Address
+}
+
+// IFeralfileSaleDataRevenueShare is an auto generated low-level Go binding around an user-defined struct.
+type IFeralfileSaleDataRevenueShare struct {
+	Recipient common.Address
+	Bps       *big.Int
+}
+
+// IFeralfileSaleDataSaleData is an auto generated low-level Go binding around an user-defined struct.
+type IFeralfileSaleDataSaleData struct {
+	Price              *big.Int
+	Cost               *big.Int
+	ExpiryTime         *big.Int
+	Destination        common.Address
+	TokenIds           []*big.Int
+	RevenueShares      [][]IFeralfileSaleDataRevenueShare
+	PayByVaultContract bool
+}
+
+// IFeralfileSaleDataV2SaleDataV2 is an auto generated low-level Go binding around an user-defined struct.
+type IFeralfileSaleDataV2SaleDataV2 struct {
+	Price              *big.Int
+	Cost               *big.Int
+	ExpiryTime         *big.Int
+	Destination        common.Address
+	Nonce              *big.Int
+	SeriesID           *big.Int
+	Quantity           uint16
+	RevenueShares      []IFeralfileSaleDataRevenueShare
+	PayByVaultContract bool
+}
+
+// FeralfileExhibitionV42MetaData contains all meta data concerning the FeralfileExhibitionV42 contract.
+var FeralfileExhibitionV42MetaData = &bind.MetaData{
+	ABI: 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ble\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256[]\",\"name\":\"tokenIds\",\"type\":\"uint256[]\"}],\"name\":\"burnArtworks\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"burnable\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"codeVersion\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"contractURI\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"costReceiver\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getApproved\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"getArtwork\",\"outputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"seriesId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"internalType\":\"structFeralfileExhibitionV4.Artwork\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"operator\",\"type\":\"address\"}],\"name\":\"isApprovedForAll\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"seriesId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"internalType\":\"structFeralfileExhibitionV4.MintData[]\",\"name\":\"data\",\"type\":\"tuple[]\"}],\"name\":\"mintArtworks\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"mintable\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"}],\"name\":\"nonces\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"ownerOf\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pauseSale\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_trustee\",\"type\":\"address\"}],\"name\":\"removeTrustee\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"oldAddresses_\",\"type\":\"address[]\"},{\"internalType\":\"address[]\",\"name\":\"newAddresses_\",\"type\":\"address[]\"}],\"name\":\"replaceAdvanceAddresses\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"resumeSale\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"safeTransferFrom\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"selling\",\"outputs\":[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":\"updateOperatorFilterRegistry\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"vault\",\"outputs\":[{\"internalType\":\"contractIFeralfileVault\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"vaultV2\",\"outputs\":[{\"internalType\":\"contractIFeralfileVaultV2\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"r_\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"s_\",\"type\":\"bytes32\"},{\"internalType\":\"uint8\",\"name\":\"v_\",\"type\":\"uint8\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"cost\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"expiryTime\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"destination\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"seriesID\",\"type\":\"uint256\"},{\"internalType\":\"uint16\",\"name\":\"quantity\",\"type\":\"uint16\"},{\"components\":[{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"bps\",\"type\":\"uint256\"}],\"internalType\":\"structIFeralfileSaleData.RevenueShare[]\",\"name\":\"revenueShares\",\"type\":\"tuple[]\"},{\"internalType\":\"bool\",\"name\":\"payByVaultContract\",\"type\":\"bool\"}],\"internalType\":\"structIFeralfileSaleDataV2.SaleDataV2\",\"name\":\"saleData_\",\"type\":\"tuple\"}],\"name\":\"buyBulkArtworks\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"},{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"cost\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"expiryTime\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"destination\",\"type\":\"address\"},{\"internalType\":\"uint256[]\",\"name\":\"tokenIds\",\"type\":\"uint256[]\"},{\"components\":[{\"internalType\":\"address\",\"name\":\"recipient\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"bps\",\"type\":\"uint256\"}],\"internalType\":\"structIFeralfileSaleData.RevenueShare[][]\",\"name\":\"revenueShares\",\"type\":\"tuple[][]\"},{\"internalType\":\"bool\",\"name\":\"payByVaultContract\",\"type\":\"bool\"}],\"internalType\":\"structIFeralfileSaleData.SaleData\",\"name\":\"\",\"type\":\"tuple\"}],\"name\":\"buyArtworks\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"}]",
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+}
+
+// FeralfileExhibitionV42ABI is the input ABI used to generate the binding from.
+// Deprecated: Use FeralfileExhibitionV42MetaData.ABI instead.
+var FeralfileExhibitionV42ABI = FeralfileExhibitionV42MetaData.ABI
+
+// FeralfileExhibitionV42Bin is the compiled bytecode used for deploying new contracts.
+// Deprecated: Use FeralfileExhibitionV42MetaData.Bin instead.
+var FeralfileExhibitionV42Bin = FeralfileExhibitionV42MetaData.Bin
+
+// DeployFeralfileExhibitionV42 deploys a new Ethereum contract, binding an instance of FeralfileExhibitionV42 to it.
+func DeployFeralfileExhibitionV42(auth *bind.TransactOpts, backend bind.ContractBackend, name_ string, symbol_ string, burnable_ bool, bridgeable_ bool, signer_ common.Address, vault_ common.Address, costReceiver_ common.Address, contractURI_ string, seriesIds_ []*big.Int, seriesMaxSupplies_ []*big.Int, seriesNextSaleTokenIds_ []*big.Int) (common.Address, *types.Transaction, *FeralfileExhibitionV42, error) {
+	parsed, err := FeralfileExhibitionV42MetaData.GetAbi()
+	if err != nil {
+		return common.Address{}, nil, nil, err
+	}
+	if parsed == nil {
+		return common.Address{}, nil, nil, errors.New("GetABI returned nil")
+	}
+
+	address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex(FeralfileExhibitionV42Bin), backend, name_, symbol_, burnable_, bridgeable_, signer_, vault_, costReceiver_, contractURI_, seriesIds_, seriesMaxSupplies_, seriesNextSaleTokenIds_)
+	if err != nil {
+		return common.Address{}, nil, nil, err
+	}
+	return address, tx, &FeralfileExhibitionV42{FeralfileExhibitionV42Caller: FeralfileExhibitionV42Caller{contract: contract}, FeralfileExhibitionV42Transactor: FeralfileExhibitionV42Transactor{contract: contract}, FeralfileExhibitionV42Filterer: FeralfileExhibitionV42Filterer{contract: contract}}, nil
+}
+
+// FeralfileExhibitionV42 is an auto generated Go binding around an Ethereum contract.
+type FeralfileExhibitionV42 struct {
+	FeralfileExhibitionV42Caller     // Read-only binding to the contract
+	FeralfileExhibitionV42Transactor // Write-only binding to the contract
+	FeralfileExhibitionV42Filterer   // Log filterer for contract events
+}
+
+// FeralfileExhibitionV42Caller is an auto generated read-only Go binding around an Ethereum contract.
+type FeralfileExhibitionV42Caller struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// FeralfileExhibitionV42Transactor is an auto generated write-only Go binding around an Ethereum contract.
+type FeralfileExhibitionV42Transactor struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// FeralfileExhibitionV42Filterer is an auto generated log filtering Go binding around an Ethereum contract events.
+type FeralfileExhibitionV42Filterer struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// FeralfileExhibitionV42Session is an auto generated Go binding around an Ethereum contract,
+// with pre-set call and transact options.
+type FeralfileExhibitionV42Session struct {
+	Contract     *FeralfileExhibitionV42 // Generic contract binding to set the session for
+	CallOpts     bind.CallOpts           // Call options to use throughout this session
+	TransactOpts bind.TransactOpts       // Transaction auth options to use throughout this session
+}
+
+// FeralfileExhibitionV42CallerSession is an auto generated read-only Go binding around an Ethereum contract,
+// with pre-set call options.
+type FeralfileExhibitionV42CallerSession struct {
+	Contract *FeralfileExhibitionV42Caller // Generic contract caller binding to set the session for
+	CallOpts bind.CallOpts                 // Call options to use throughout this session
+}
+
+// FeralfileExhibitionV42TransactorSession is an auto generated write-only Go binding around an Ethereum contract,
+// with pre-set transact options.
+type FeralfileExhibitionV42TransactorSession struct {
+	Contract     *FeralfileExhibitionV42Transactor // Generic contract transactor binding to set the session for
+	TransactOpts bind.TransactOpts                 // Transaction auth options to use throughout this session
+}
+
+// FeralfileExhibitionV42Raw is an auto generated low-level Go binding around an Ethereum contract.
+type FeralfileExhibitionV42Raw struct {
+	Contract *FeralfileExhibitionV42 // Generic contract binding to access the raw methods on
+}
+
+// FeralfileExhibitionV42CallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
+type FeralfileExhibitionV42CallerRaw struct {
+	Contract *FeralfileExhibitionV42Caller // Generic read-only contract binding to access the raw methods on
+}
+
+// FeralfileExhibitionV42TransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
+type FeralfileExhibitionV42TransactorRaw struct {
+	Contract *FeralfileExhibitionV42Transactor // Generic write-only contract binding to access the raw methods on
+}
+
+// NewFeralfileExhibitionV42 creates a new instance of FeralfileExhibitionV42, bound to a specific deployed contract.
+func NewFeralfileExhibitionV42(address common.Address, backend bind.ContractBackend) (*FeralfileExhibitionV42, error) {
+	contract, err := bindFeralfileExhibitionV42(address, backend, backend, backend)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42{FeralfileExhibitionV42Caller: FeralfileExhibitionV42Caller{contract: contract}, FeralfileExhibitionV42Transactor: FeralfileExhibitionV42Transactor{contract: contract}, FeralfileExhibitionV42Filterer: FeralfileExhibitionV42Filterer{contract: contract}}, nil
+}
+
+// NewFeralfileExhibitionV42Caller creates a new read-only instance of FeralfileExhibitionV42, bound to a specific deployed contract.
+func NewFeralfileExhibitionV42Caller(address common.Address, caller bind.ContractCaller) (*FeralfileExhibitionV42Caller, error) {
+	contract, err := bindFeralfileExhibitionV42(address, caller, nil, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42Caller{contract: contract}, nil
+}
+
+// NewFeralfileExhibitionV42Transactor creates a new write-only instance of FeralfileExhibitionV42, bound to a specific deployed contract.
+func NewFeralfileExhibitionV42Transactor(address common.Address, transactor bind.ContractTransactor) (*FeralfileExhibitionV42Transactor, error) {
+	contract, err := bindFeralfileExhibitionV42(address, nil, transactor, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42Transactor{contract: contract}, nil
+}
+
+// NewFeralfileExhibitionV42Filterer creates a new log filterer instance of FeralfileExhibitionV42, bound to a specific deployed contract.
+func NewFeralfileExhibitionV42Filterer(address common.Address, filterer bind.ContractFilterer) (*FeralfileExhibitionV42Filterer, error) {
+	contract, err := bindFeralfileExhibitionV42(address, nil, nil, filterer)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42Filterer{contract: contract}, nil
+}
+
+// bindFeralfileExhibitionV42 binds a generic wrapper to an already deployed contract.
+func bindFeralfileExhibitionV42(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
+	parsed, err := FeralfileExhibitionV42MetaData.GetAbi()
+	if err != nil {
+		return nil, err
+	}
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Raw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
+	return _FeralfileExhibitionV42.Contract.FeralfileExhibitionV42Caller.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Raw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.FeralfileExhibitionV42Transactor.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Raw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.FeralfileExhibitionV42Transactor.contract.Transact(opts, method, params...)
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
+	return _FeralfileExhibitionV42.Contract.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.contract.Transact(opts, method, params...)
+}
+
+// OperatorFilterRegistry is a free data retrieval call binding the contract method 0xf07e7fd0.
+//
+// Solidity: function OperatorFilterRegistry() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) OperatorFilterRegistry(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "OperatorFilterRegistry")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// OperatorFilterRegistry is a free data retrieval call binding the contract method 0xf07e7fd0.
+//
+// Solidity: function OperatorFilterRegistry() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) OperatorFilterRegistry() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.OperatorFilterRegistry(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// OperatorFilterRegistry is a free data retrieval call binding the contract method 0xf07e7fd0.
+//
+// Solidity: function OperatorFilterRegistry() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) OperatorFilterRegistry() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.OperatorFilterRegistry(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Advances is a free data retrieval call binding the contract method 0x926ce44e.
+//
+// Solidity: function advances(address ) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Advances(opts *bind.CallOpts, arg0 common.Address) (*big.Int, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "advances", arg0)
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// Advances is a free data retrieval call binding the contract method 0x926ce44e.
+//
+// Solidity: function advances(address ) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Advances(arg0 common.Address) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.Advances(&_FeralfileExhibitionV42.CallOpts, arg0)
+}
+
+// Advances is a free data retrieval call binding the contract method 0x926ce44e.
+//
+// Solidity: function advances(address ) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Advances(arg0 common.Address) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.Advances(&_FeralfileExhibitionV42.CallOpts, arg0)
+}
+
+// BalanceOf is a free data retrieval call binding the contract method 0x70a08231.
+//
+// Solidity: function balanceOf(address owner) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) BalanceOf(opts *bind.CallOpts, owner common.Address) (*big.Int, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "balanceOf", owner)
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// BalanceOf is a free data retrieval call binding the contract method 0x70a08231.
+//
+// Solidity: function balanceOf(address owner) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) BalanceOf(owner common.Address) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.BalanceOf(&_FeralfileExhibitionV42.CallOpts, owner)
+}
+
+// BalanceOf is a free data retrieval call binding the contract method 0x70a08231.
+//
+// Solidity: function balanceOf(address owner) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) BalanceOf(owner common.Address) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.BalanceOf(&_FeralfileExhibitionV42.CallOpts, owner)
+}
+
+// Bridgeable is a free data retrieval call binding the contract method 0x530da8ef.
+//
+// Solidity: function bridgeable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Bridgeable(opts *bind.CallOpts) (bool, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "bridgeable")
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// Bridgeable is a free data retrieval call binding the contract method 0x530da8ef.
+//
+// Solidity: function bridgeable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Bridgeable() (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Bridgeable(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Bridgeable is a free data retrieval call binding the contract method 0x530da8ef.
+//
+// Solidity: function bridgeable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Bridgeable() (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Bridgeable(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Burnable is a free data retrieval call binding the contract method 0xa07c7ce4.
+//
+// Solidity: function burnable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Burnable(opts *bind.CallOpts) (bool, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "burnable")
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// Burnable is a free data retrieval call binding the contract method 0xa07c7ce4.
+//
+// Solidity: function burnable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Burnable() (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Burnable(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Burnable is a free data retrieval call binding the contract method 0xa07c7ce4.
+//
+// Solidity: function burnable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Burnable() (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Burnable(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// CodeVersion is a free data retrieval call binding the contract method 0x63e60230.
+//
+// Solidity: function codeVersion() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) CodeVersion(opts *bind.CallOpts) (string, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "codeVersion")
+
+	if err != nil {
+		return *new(string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(string)).(*string)
+
+	return out0, err
+
+}
+
+// CodeVersion is a free data retrieval call binding the contract method 0x63e60230.
+//
+// Solidity: function codeVersion() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) CodeVersion() (string, error) {
+	return _FeralfileExhibitionV42.Contract.CodeVersion(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// CodeVersion is a free data retrieval call binding the contract method 0x63e60230.
+//
+// Solidity: function codeVersion() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) CodeVersion() (string, error) {
+	return _FeralfileExhibitionV42.Contract.CodeVersion(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// ContractURI is a free data retrieval call binding the contract method 0xe8a3d485.
+//
+// Solidity: function contractURI() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) ContractURI(opts *bind.CallOpts) (string, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "contractURI")
+
+	if err != nil {
+		return *new(string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(string)).(*string)
+
+	return out0, err
+
+}
+
+// ContractURI is a free data retrieval call binding the contract method 0xe8a3d485.
+//
+// Solidity: function contractURI() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) ContractURI() (string, error) {
+	return _FeralfileExhibitionV42.Contract.ContractURI(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// ContractURI is a free data retrieval call binding the contract method 0xe8a3d485.
+//
+// Solidity: function contractURI() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) ContractURI() (string, error) {
+	return _FeralfileExhibitionV42.Contract.ContractURI(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// CostReceiver is a free data retrieval call binding the contract method 0xf4e638be.
+//
+// Solidity: function costReceiver() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) CostReceiver(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "costReceiver")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// CostReceiver is a free data retrieval call binding the contract method 0xf4e638be.
+//
+// Solidity: function costReceiver() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) CostReceiver() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.CostReceiver(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// CostReceiver is a free data retrieval call binding the contract method 0xf4e638be.
+//
+// Solidity: function costReceiver() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) CostReceiver() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.CostReceiver(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// GetApproved is a free data retrieval call binding the contract method 0x081812fc.
+//
+// Solidity: function getApproved(uint256 tokenId) view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) GetApproved(opts *bind.CallOpts, tokenId *big.Int) (common.Address, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "getApproved", tokenId)
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// GetApproved is a free data retrieval call binding the contract method 0x081812fc.
+//
+// Solidity: function getApproved(uint256 tokenId) view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) GetApproved(tokenId *big.Int) (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.GetApproved(&_FeralfileExhibitionV42.CallOpts, tokenId)
+}
+
+// GetApproved is a free data retrieval call binding the contract method 0x081812fc.
+//
+// Solidity: function getApproved(uint256 tokenId) view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) GetApproved(tokenId *big.Int) (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.GetApproved(&_FeralfileExhibitionV42.CallOpts, tokenId)
+}
+
+// GetArtwork is a free data retrieval call binding the contract method 0x167ddf6e.
+//
+// Solidity: function getArtwork(uint256 tokenId) view returns((uint256,uint256))
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) GetArtwork(opts *bind.CallOpts, tokenId *big.Int) (FeralfileExhibitionV4Artwork, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "getArtwork", tokenId)
+
+	if err != nil {
+		return *new(FeralfileExhibitionV4Artwork), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(FeralfileExhibitionV4Artwork)).(*FeralfileExhibitionV4Artwork)
+
+	return out0, err
+
+}
+
+// GetArtwork is a free data retrieval call binding the contract method 0x167ddf6e.
+//
+// Solidity: function getArtwork(uint256 tokenId) view returns((uint256,uint256))
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) GetArtwork(tokenId *big.Int) (FeralfileExhibitionV4Artwork, error) {
+	return _FeralfileExhibitionV42.Contract.GetArtwork(&_FeralfileExhibitionV42.CallOpts, tokenId)
+}
+
+// GetArtwork is a free data retrieval call binding the contract method 0x167ddf6e.
+//
+// Solidity: function getArtwork(uint256 tokenId) view returns((uint256,uint256))
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) GetArtwork(tokenId *big.Int) (FeralfileExhibitionV4Artwork, error) {
+	return _FeralfileExhibitionV42.Contract.GetArtwork(&_FeralfileExhibitionV42.CallOpts, tokenId)
+}
+
+// IsApprovedForAll is a free data retrieval call binding the contract method 0xe985e9c5.
+//
+// Solidity: function isApprovedForAll(address owner, address operator) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) IsApprovedForAll(opts *bind.CallOpts, owner common.Address, operator common.Address) (bool, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "isApprovedForAll", owner, operator)
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// IsApprovedForAll is a free data retrieval call binding the contract method 0xe985e9c5.
+//
+// Solidity: function isApprovedForAll(address owner, address operator) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) IsApprovedForAll(owner common.Address, operator common.Address) (bool, error) {
+	return _FeralfileExhibitionV42.Contract.IsApprovedForAll(&_FeralfileExhibitionV42.CallOpts, owner, operator)
+}
+
+// IsApprovedForAll is a free data retrieval call binding the contract method 0xe985e9c5.
+//
+// Solidity: function isApprovedForAll(address owner, address operator) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) IsApprovedForAll(owner common.Address, operator common.Address) (bool, error) {
+	return _FeralfileExhibitionV42.Contract.IsApprovedForAll(&_FeralfileExhibitionV42.CallOpts, owner, operator)
+}
+
+// Mintable is a free data retrieval call binding the contract method 0x4bf365df.
+//
+// Solidity: function mintable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Mintable(opts *bind.CallOpts) (bool, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "mintable")
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// Mintable is a free data retrieval call binding the contract method 0x4bf365df.
+//
+// Solidity: function mintable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Mintable() (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Mintable(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Mintable is a free data retrieval call binding the contract method 0x4bf365df.
+//
+// Solidity: function mintable() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Mintable() (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Mintable(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Name is a free data retrieval call binding the contract method 0x06fdde03.
+//
+// Solidity: function name() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Name(opts *bind.CallOpts) (string, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "name")
+
+	if err != nil {
+		return *new(string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(string)).(*string)
+
+	return out0, err
+
+}
+
+// Name is a free data retrieval call binding the contract method 0x06fdde03.
+//
+// Solidity: function name() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Name() (string, error) {
+	return _FeralfileExhibitionV42.Contract.Name(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Name is a free data retrieval call binding the contract method 0x06fdde03.
+//
+// Solidity: function name() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Name() (string, error) {
+	return _FeralfileExhibitionV42.Contract.Name(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Nonces is a free data retrieval call binding the contract method 0x7ecebe00.
+//
+// Solidity: function nonces(address owner) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Nonces(opts *bind.CallOpts, owner common.Address) (*big.Int, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "nonces", owner)
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// Nonces is a free data retrieval call binding the contract method 0x7ecebe00.
+//
+// Solidity: function nonces(address owner) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Nonces(owner common.Address) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.Nonces(&_FeralfileExhibitionV42.CallOpts, owner)
+}
+
+// Nonces is a free data retrieval call binding the contract method 0x7ecebe00.
+//
+// Solidity: function nonces(address owner) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Nonces(owner common.Address) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.Nonces(&_FeralfileExhibitionV42.CallOpts, owner)
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Owner(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "owner")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Owner() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.Owner(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Owner is a free data retrieval call binding the contract method 0x8da5cb5b.
+//
+// Solidity: function owner() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Owner() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.Owner(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// OwnerOf is a free data retrieval call binding the contract method 0x6352211e.
+//
+// Solidity: function ownerOf(uint256 tokenId) view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) OwnerOf(opts *bind.CallOpts, tokenId *big.Int) (common.Address, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "ownerOf", tokenId)
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// OwnerOf is a free data retrieval call binding the contract method 0x6352211e.
+//
+// Solidity: function ownerOf(uint256 tokenId) view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) OwnerOf(tokenId *big.Int) (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.OwnerOf(&_FeralfileExhibitionV42.CallOpts, tokenId)
+}
+
+// OwnerOf is a free data retrieval call binding the contract method 0x6352211e.
+//
+// Solidity: function ownerOf(uint256 tokenId) view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) OwnerOf(tokenId *big.Int) (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.OwnerOf(&_FeralfileExhibitionV42.CallOpts, tokenId)
+}
+
+// Selling is a free data retrieval call binding the contract method 0x23aed228.
+//
+// Solidity: function selling() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Selling(opts *bind.CallOpts) (bool, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "selling")
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// Selling is a free data retrieval call binding the contract method 0x23aed228.
+//
+// Solidity: function selling() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Selling() (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Selling(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Selling is a free data retrieval call binding the contract method 0x23aed228.
+//
+// Solidity: function selling() view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Selling() (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Selling(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// SeriesMaxSupply is a free data retrieval call binding the contract method 0xeb5c60f2.
+//
+// Solidity: function seriesMaxSupply(uint256 seriesId) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) SeriesMaxSupply(opts *bind.CallOpts, seriesId *big.Int) (*big.Int, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "seriesMaxSupply", seriesId)
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// SeriesMaxSupply is a free data retrieval call binding the contract method 0xeb5c60f2.
+//
+// Solidity: function seriesMaxSupply(uint256 seriesId) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SeriesMaxSupply(seriesId *big.Int) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.SeriesMaxSupply(&_FeralfileExhibitionV42.CallOpts, seriesId)
+}
+
+// SeriesMaxSupply is a free data retrieval call binding the contract method 0xeb5c60f2.
+//
+// Solidity: function seriesMaxSupply(uint256 seriesId) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) SeriesMaxSupply(seriesId *big.Int) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.SeriesMaxSupply(&_FeralfileExhibitionV42.CallOpts, seriesId)
+}
+
+// SeriesTotalSupply is a free data retrieval call binding the contract method 0x7f06ee06.
+//
+// Solidity: function seriesTotalSupply(uint256 seriesId) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) SeriesTotalSupply(opts *bind.CallOpts, seriesId *big.Int) (*big.Int, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "seriesTotalSupply", seriesId)
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// SeriesTotalSupply is a free data retrieval call binding the contract method 0x7f06ee06.
+//
+// Solidity: function seriesTotalSupply(uint256 seriesId) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SeriesTotalSupply(seriesId *big.Int) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.SeriesTotalSupply(&_FeralfileExhibitionV42.CallOpts, seriesId)
+}
+
+// SeriesTotalSupply is a free data retrieval call binding the contract method 0x7f06ee06.
+//
+// Solidity: function seriesTotalSupply(uint256 seriesId) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) SeriesTotalSupply(seriesId *big.Int) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.SeriesTotalSupply(&_FeralfileExhibitionV42.CallOpts, seriesId)
+}
+
+// Signer is a free data retrieval call binding the contract method 0x238ac933.
+//
+// Solidity: function signer() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Signer(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "signer")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// Signer is a free data retrieval call binding the contract method 0x238ac933.
+//
+// Solidity: function signer() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Signer() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.Signer(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Signer is a free data retrieval call binding the contract method 0x238ac933.
+//
+// Solidity: function signer() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Signer() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.Signer(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// SupportsInterface is a free data retrieval call binding the contract method 0x01ffc9a7.
+//
+// Solidity: function supportsInterface(bytes4 interfaceId) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) SupportsInterface(opts *bind.CallOpts, interfaceId [4]byte) (bool, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "supportsInterface", interfaceId)
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// SupportsInterface is a free data retrieval call binding the contract method 0x01ffc9a7.
+//
+// Solidity: function supportsInterface(bytes4 interfaceId) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SupportsInterface(interfaceId [4]byte) (bool, error) {
+	return _FeralfileExhibitionV42.Contract.SupportsInterface(&_FeralfileExhibitionV42.CallOpts, interfaceId)
+}
+
+// SupportsInterface is a free data retrieval call binding the contract method 0x01ffc9a7.
+//
+// Solidity: function supportsInterface(bytes4 interfaceId) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) SupportsInterface(interfaceId [4]byte) (bool, error) {
+	return _FeralfileExhibitionV42.Contract.SupportsInterface(&_FeralfileExhibitionV42.CallOpts, interfaceId)
+}
+
+// Symbol is a free data retrieval call binding the contract method 0x95d89b41.
+//
+// Solidity: function symbol() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Symbol(opts *bind.CallOpts) (string, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "symbol")
+
+	if err != nil {
+		return *new(string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(string)).(*string)
+
+	return out0, err
+
+}
+
+// Symbol is a free data retrieval call binding the contract method 0x95d89b41.
+//
+// Solidity: function symbol() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Symbol() (string, error) {
+	return _FeralfileExhibitionV42.Contract.Symbol(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Symbol is a free data retrieval call binding the contract method 0x95d89b41.
+//
+// Solidity: function symbol() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Symbol() (string, error) {
+	return _FeralfileExhibitionV42.Contract.Symbol(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// TokenBaseURI is a free data retrieval call binding the contract method 0x4e99b800.
+//
+// Solidity: function tokenBaseURI() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) TokenBaseURI(opts *bind.CallOpts) (string, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "tokenBaseURI")
+
+	if err != nil {
+		return *new(string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(string)).(*string)
+
+	return out0, err
+
+}
+
+// TokenBaseURI is a free data retrieval call binding the contract method 0x4e99b800.
+//
+// Solidity: function tokenBaseURI() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) TokenBaseURI() (string, error) {
+	return _FeralfileExhibitionV42.Contract.TokenBaseURI(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// TokenBaseURI is a free data retrieval call binding the contract method 0x4e99b800.
+//
+// Solidity: function tokenBaseURI() view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) TokenBaseURI() (string, error) {
+	return _FeralfileExhibitionV42.Contract.TokenBaseURI(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// TokenOfOwnerByIndex is a free data retrieval call binding the contract method 0x2f745c59.
+//
+// Solidity: function tokenOfOwnerByIndex(address owner, uint256 index) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) TokenOfOwnerByIndex(opts *bind.CallOpts, owner common.Address, index *big.Int) (*big.Int, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "tokenOfOwnerByIndex", owner, index)
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// TokenOfOwnerByIndex is a free data retrieval call binding the contract method 0x2f745c59.
+//
+// Solidity: function tokenOfOwnerByIndex(address owner, uint256 index) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) TokenOfOwnerByIndex(owner common.Address, index *big.Int) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.TokenOfOwnerByIndex(&_FeralfileExhibitionV42.CallOpts, owner, index)
+}
+
+// TokenOfOwnerByIndex is a free data retrieval call binding the contract method 0x2f745c59.
+//
+// Solidity: function tokenOfOwnerByIndex(address owner, uint256 index) view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) TokenOfOwnerByIndex(owner common.Address, index *big.Int) (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.TokenOfOwnerByIndex(&_FeralfileExhibitionV42.CallOpts, owner, index)
+}
+
+// TokenURI is a free data retrieval call binding the contract method 0xc87b56dd.
+//
+// Solidity: function tokenURI(uint256 tokenId) view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) TokenURI(opts *bind.CallOpts, tokenId *big.Int) (string, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "tokenURI", tokenId)
+
+	if err != nil {
+		return *new(string), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(string)).(*string)
+
+	return out0, err
+
+}
+
+// TokenURI is a free data retrieval call binding the contract method 0xc87b56dd.
+//
+// Solidity: function tokenURI(uint256 tokenId) view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) TokenURI(tokenId *big.Int) (string, error) {
+	return _FeralfileExhibitionV42.Contract.TokenURI(&_FeralfileExhibitionV42.CallOpts, tokenId)
+}
+
+// TokenURI is a free data retrieval call binding the contract method 0xc87b56dd.
+//
+// Solidity: function tokenURI(uint256 tokenId) view returns(string)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) TokenURI(tokenId *big.Int) (string, error) {
+	return _FeralfileExhibitionV42.Contract.TokenURI(&_FeralfileExhibitionV42.CallOpts, tokenId)
+}
+
+// TokensOfOwner is a free data retrieval call binding the contract method 0x8462151c.
+//
+// Solidity: function tokensOfOwner(address owner) view returns(uint256[])
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) TokensOfOwner(opts *bind.CallOpts, owner common.Address) ([]*big.Int, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "tokensOfOwner", owner)
+
+	if err != nil {
+		return *new([]*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new([]*big.Int)).(*[]*big.Int)
+
+	return out0, err
+
+}
+
+// TokensOfOwner is a free data retrieval call binding the contract method 0x8462151c.
+//
+// Solidity: function tokensOfOwner(address owner) view returns(uint256[])
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) TokensOfOwner(owner common.Address) ([]*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.TokensOfOwner(&_FeralfileExhibitionV42.CallOpts, owner)
+}
+
+// TokensOfOwner is a free data retrieval call binding the contract method 0x8462151c.
+//
+// Solidity: function tokensOfOwner(address owner) view returns(uint256[])
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) TokensOfOwner(owner common.Address) ([]*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.TokensOfOwner(&_FeralfileExhibitionV42.CallOpts, owner)
+}
+
+// TotalSupply is a free data retrieval call binding the contract method 0x18160ddd.
+//
+// Solidity: function totalSupply() view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) TotalSupply(opts *bind.CallOpts) (*big.Int, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "totalSupply")
+
+	if err != nil {
+		return *new(*big.Int), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(*big.Int)).(**big.Int)
+
+	return out0, err
+
+}
+
+// TotalSupply is a free data retrieval call binding the contract method 0x18160ddd.
+//
+// Solidity: function totalSupply() view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) TotalSupply() (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.TotalSupply(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// TotalSupply is a free data retrieval call binding the contract method 0x18160ddd.
+//
+// Solidity: function totalSupply() view returns(uint256)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) TotalSupply() (*big.Int, error) {
+	return _FeralfileExhibitionV42.Contract.TotalSupply(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Trustees is a free data retrieval call binding the contract method 0xeee608a4.
+//
+// Solidity: function trustees(address ) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Trustees(opts *bind.CallOpts, arg0 common.Address) (bool, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "trustees", arg0)
+
+	if err != nil {
+		return *new(bool), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(bool)).(*bool)
+
+	return out0, err
+
+}
+
+// Trustees is a free data retrieval call binding the contract method 0xeee608a4.
+//
+// Solidity: function trustees(address ) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Trustees(arg0 common.Address) (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Trustees(&_FeralfileExhibitionV42.CallOpts, arg0)
+}
+
+// Trustees is a free data retrieval call binding the contract method 0xeee608a4.
+//
+// Solidity: function trustees(address ) view returns(bool)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Trustees(arg0 common.Address) (bool, error) {
+	return _FeralfileExhibitionV42.Contract.Trustees(&_FeralfileExhibitionV42.CallOpts, arg0)
+}
+
+// Vault is a free data retrieval call binding the contract method 0xfbfa77cf.
+//
+// Solidity: function vault() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) Vault(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "vault")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// Vault is a free data retrieval call binding the contract method 0xfbfa77cf.
+//
+// Solidity: function vault() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Vault() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.Vault(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// Vault is a free data retrieval call binding the contract method 0xfbfa77cf.
+//
+// Solidity: function vault() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) Vault() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.Vault(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// VaultV2 is a free data retrieval call binding the contract method 0x5eb9bad6.
+//
+// Solidity: function vaultV2() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Caller) VaultV2(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _FeralfileExhibitionV42.contract.Call(opts, &out, "vaultV2")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// VaultV2 is a free data retrieval call binding the contract method 0x5eb9bad6.
+//
+// Solidity: function vaultV2() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) VaultV2() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.VaultV2(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// VaultV2 is a free data retrieval call binding the contract method 0x5eb9bad6.
+//
+// Solidity: function vaultV2() view returns(address)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42CallerSession) VaultV2() (common.Address, error) {
+	return _FeralfileExhibitionV42.Contract.VaultV2(&_FeralfileExhibitionV42.CallOpts)
+}
+
+// AddTrustee is a paid mutator transaction binding the contract method 0xdc78ac1c.
+//
+// Solidity: function addTrustee(address _trustee) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) AddTrustee(opts *bind.TransactOpts, _trustee common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "addTrustee", _trustee)
+}
+
+// AddTrustee is a paid mutator transaction binding the contract method 0xdc78ac1c.
+//
+// Solidity: function addTrustee(address _trustee) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) AddTrustee(_trustee common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.AddTrustee(&_FeralfileExhibitionV42.TransactOpts, _trustee)
+}
+
+// AddTrustee is a paid mutator transaction binding the contract method 0xdc78ac1c.
+//
+// Solidity: function addTrustee(address _trustee) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) AddTrustee(_trustee common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.AddTrustee(&_FeralfileExhibitionV42.TransactOpts, _trustee)
+}
+
+// Approve is a paid mutator transaction binding the contract method 0x095ea7b3.
+//
+// Solidity: function approve(address operator, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) Approve(opts *bind.TransactOpts, operator common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "approve", operator, tokenId)
+}
+
+// Approve is a paid mutator transaction binding the contract method 0x095ea7b3.
+//
+// Solidity: function approve(address operator, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Approve(operator common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.Approve(&_FeralfileExhibitionV42.TransactOpts, operator, tokenId)
+}
+
+// Approve is a paid mutator transaction binding the contract method 0x095ea7b3.
+//
+// Solidity: function approve(address operator, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) Approve(operator common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.Approve(&_FeralfileExhibitionV42.TransactOpts, operator, tokenId)
+}
+
+// BurnArtworks is a paid mutator transaction binding the contract method 0x21fe0c64.
+//
+// Solidity: function burnArtworks(uint256[] tokenIds) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) BurnArtworks(opts *bind.TransactOpts, tokenIds []*big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "burnArtworks", tokenIds)
+}
+
+// BurnArtworks is a paid mutator transaction binding the contract method 0x21fe0c64.
+//
+// Solidity: function burnArtworks(uint256[] tokenIds) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) BurnArtworks(tokenIds []*big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.BurnArtworks(&_FeralfileExhibitionV42.TransactOpts, tokenIds)
+}
+
+// BurnArtworks is a paid mutator transaction binding the contract method 0x21fe0c64.
+//
+// Solidity: function burnArtworks(uint256[] tokenIds) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) BurnArtworks(tokenIds []*big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.BurnArtworks(&_FeralfileExhibitionV42.TransactOpts, tokenIds)
+}
+
+// BuyArtworks is a paid mutator transaction binding the contract method 0x2977e4b3.
+//
+// Solidity: function buyArtworks(bytes32 , bytes32 , uint8 , (uint256,uint256,uint256,address,uint256[],(address,uint256)[][],bool) ) payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) BuyArtworks(opts *bind.TransactOpts, arg0 [32]byte, arg1 [32]byte, arg2 uint8, arg3 IFeralfileSaleDataSaleData) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "buyArtworks", arg0, arg1, arg2, arg3)
+}
+
+// BuyArtworks is a paid mutator transaction binding the contract method 0x2977e4b3.
+//
+// Solidity: function buyArtworks(bytes32 , bytes32 , uint8 , (uint256,uint256,uint256,address,uint256[],(address,uint256)[][],bool) ) payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) BuyArtworks(arg0 [32]byte, arg1 [32]byte, arg2 uint8, arg3 IFeralfileSaleDataSaleData) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.BuyArtworks(&_FeralfileExhibitionV42.TransactOpts, arg0, arg1, arg2, arg3)
+}
+
+// BuyArtworks is a paid mutator transaction binding the contract method 0x2977e4b3.
+//
+// Solidity: function buyArtworks(bytes32 , bytes32 , uint8 , (uint256,uint256,uint256,address,uint256[],(address,uint256)[][],bool) ) payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) BuyArtworks(arg0 [32]byte, arg1 [32]byte, arg2 uint8, arg3 IFeralfileSaleDataSaleData) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.BuyArtworks(&_FeralfileExhibitionV42.TransactOpts, arg0, arg1, arg2, arg3)
+}
+
+// BuyBulkArtworks is a paid mutator transaction binding the contract method 0x4bda5d89.
+//
+// Solidity: function buyBulkArtworks(bytes32 r_, bytes32 s_, uint8 v_, (uint256,uint256,uint256,address,uint256,uint256,uint16,(address,uint256)[],bool) saleData_) payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) BuyBulkArtworks(opts *bind.TransactOpts, r_ [32]byte, s_ [32]byte, v_ uint8, saleData_ IFeralfileSaleDataV2SaleDataV2) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "buyBulkArtworks", r_, s_, v_, saleData_)
+}
+
+// BuyBulkArtworks is a paid mutator transaction binding the contract method 0x4bda5d89.
+//
+// Solidity: function buyBulkArtworks(bytes32 r_, bytes32 s_, uint8 v_, (uint256,uint256,uint256,address,uint256,uint256,uint16,(address,uint256)[],bool) saleData_) payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) BuyBulkArtworks(r_ [32]byte, s_ [32]byte, v_ uint8, saleData_ IFeralfileSaleDataV2SaleDataV2) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.BuyBulkArtworks(&_FeralfileExhibitionV42.TransactOpts, r_, s_, v_, saleData_)
+}
+
+// BuyBulkArtworks is a paid mutator transaction binding the contract method 0x4bda5d89.
+//
+// Solidity: function buyBulkArtworks(bytes32 r_, bytes32 s_, uint8 v_, (uint256,uint256,uint256,address,uint256,uint256,uint16,(address,uint256)[],bool) saleData_) payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) BuyBulkArtworks(r_ [32]byte, s_ [32]byte, v_ uint8, saleData_ IFeralfileSaleDataV2SaleDataV2) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.BuyBulkArtworks(&_FeralfileExhibitionV42.TransactOpts, r_, s_, v_, saleData_)
+}
+
+// MintArtworks is a paid mutator transaction binding the contract method 0x8cba1c67.
+//
+// Solidity: function mintArtworks((uint256,uint256,address)[] data) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) MintArtworks(opts *bind.TransactOpts, data []FeralfileExhibitionV4MintData) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "mintArtworks", data)
+}
+
+// MintArtworks is a paid mutator transaction binding the contract method 0x8cba1c67.
+//
+// Solidity: function mintArtworks((uint256,uint256,address)[] data) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) MintArtworks(data []FeralfileExhibitionV4MintData) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.MintArtworks(&_FeralfileExhibitionV42.TransactOpts, data)
+}
+
+// MintArtworks is a paid mutator transaction binding the contract method 0x8cba1c67.
+//
+// Solidity: function mintArtworks((uint256,uint256,address)[] data) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) MintArtworks(data []FeralfileExhibitionV4MintData) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.MintArtworks(&_FeralfileExhibitionV42.TransactOpts, data)
+}
+
+// PauseSale is a paid mutator transaction binding the contract method 0x55367ba9.
+//
+// Solidity: function pauseSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) PauseSale(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "pauseSale")
+}
+
+// PauseSale is a paid mutator transaction binding the contract method 0x55367ba9.
+//
+// Solidity: function pauseSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) PauseSale() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.PauseSale(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// PauseSale is a paid mutator transaction binding the contract method 0x55367ba9.
+//
+// Solidity: function pauseSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) PauseSale() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.PauseSale(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// RemoveTrustee is a paid mutator transaction binding the contract method 0x03120506.
+//
+// Solidity: function removeTrustee(address _trustee) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) RemoveTrustee(opts *bind.TransactOpts, _trustee common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "removeTrustee", _trustee)
+}
+
+// RemoveTrustee is a paid mutator transaction binding the contract method 0x03120506.
+//
+// Solidity: function removeTrustee(address _trustee) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) RemoveTrustee(_trustee common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.RemoveTrustee(&_FeralfileExhibitionV42.TransactOpts, _trustee)
+}
+
+// RemoveTrustee is a paid mutator transaction binding the contract method 0x03120506.
+//
+// Solidity: function removeTrustee(address _trustee) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) RemoveTrustee(_trustee common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.RemoveTrustee(&_FeralfileExhibitionV42.TransactOpts, _trustee)
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) RenounceOwnership(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "renounceOwnership")
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) RenounceOwnership() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.RenounceOwnership(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// RenounceOwnership is a paid mutator transaction binding the contract method 0x715018a6.
+//
+// Solidity: function renounceOwnership() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) RenounceOwnership() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.RenounceOwnership(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// ReplaceAdvanceAddresses is a paid mutator transaction binding the contract method 0x41a5626a.
+//
+// Solidity: function replaceAdvanceAddresses(address[] oldAddresses_, address[] newAddresses_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) ReplaceAdvanceAddresses(opts *bind.TransactOpts, oldAddresses_ []common.Address, newAddresses_ []common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "replaceAdvanceAddresses", oldAddresses_, newAddresses_)
+}
+
+// ReplaceAdvanceAddresses is a paid mutator transaction binding the contract method 0x41a5626a.
+//
+// Solidity: function replaceAdvanceAddresses(address[] oldAddresses_, address[] newAddresses_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) ReplaceAdvanceAddresses(oldAddresses_ []common.Address, newAddresses_ []common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.ReplaceAdvanceAddresses(&_FeralfileExhibitionV42.TransactOpts, oldAddresses_, newAddresses_)
+}
+
+// ReplaceAdvanceAddresses is a paid mutator transaction binding the contract method 0x41a5626a.
+//
+// Solidity: function replaceAdvanceAddresses(address[] oldAddresses_, address[] newAddresses_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) ReplaceAdvanceAddresses(oldAddresses_ []common.Address, newAddresses_ []common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.ReplaceAdvanceAddresses(&_FeralfileExhibitionV42.TransactOpts, oldAddresses_, newAddresses_)
+}
+
+// ResumeSale is a paid mutator transaction binding the contract method 0x33e364cb.
+//
+// Solidity: function resumeSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) ResumeSale(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "resumeSale")
+}
+
+// ResumeSale is a paid mutator transaction binding the contract method 0x33e364cb.
+//
+// Solidity: function resumeSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) ResumeSale() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.ResumeSale(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// ResumeSale is a paid mutator transaction binding the contract method 0x33e364cb.
+//
+// Solidity: function resumeSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) ResumeSale() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.ResumeSale(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// SafeTransferFrom is a paid mutator transaction binding the contract method 0x42842e0e.
+//
+// Solidity: function safeTransferFrom(address from, address to, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) SafeTransferFrom(opts *bind.TransactOpts, from common.Address, to common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "safeTransferFrom", from, to, tokenId)
+}
+
+// SafeTransferFrom is a paid mutator transaction binding the contract method 0x42842e0e.
+//
+// Solidity: function safeTransferFrom(address from, address to, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SafeTransferFrom(from common.Address, to common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SafeTransferFrom(&_FeralfileExhibitionV42.TransactOpts, from, to, tokenId)
+}
+
+// SafeTransferFrom is a paid mutator transaction binding the contract method 0x42842e0e.
+//
+// Solidity: function safeTransferFrom(address from, address to, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) SafeTransferFrom(from common.Address, to common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SafeTransferFrom(&_FeralfileExhibitionV42.TransactOpts, from, to, tokenId)
+}
+
+// SafeTransferFrom0 is a paid mutator transaction binding the contract method 0xb88d4fde.
+//
+// Solidity: function safeTransferFrom(address from, address to, uint256 tokenId, bytes data) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) SafeTransferFrom0(opts *bind.TransactOpts, from common.Address, to common.Address, tokenId *big.Int, data []byte) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "safeTransferFrom0", from, to, tokenId, data)
+}
+
+// SafeTransferFrom0 is a paid mutator transaction binding the contract method 0xb88d4fde.
+//
+// Solidity: function safeTransferFrom(address from, address to, uint256 tokenId, bytes data) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SafeTransferFrom0(from common.Address, to common.Address, tokenId *big.Int, data []byte) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SafeTransferFrom0(&_FeralfileExhibitionV42.TransactOpts, from, to, tokenId, data)
+}
+
+// SafeTransferFrom0 is a paid mutator transaction binding the contract method 0xb88d4fde.
+//
+// Solidity: function safeTransferFrom(address from, address to, uint256 tokenId, bytes data) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) SafeTransferFrom0(from common.Address, to common.Address, tokenId *big.Int, data []byte) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SafeTransferFrom0(&_FeralfileExhibitionV42.TransactOpts, from, to, tokenId, data)
+}
+
+// SetAdvanceSetting is a paid mutator transaction binding the contract method 0x3c352b0d.
+//
+// Solidity: function setAdvanceSetting(address[] addresses_, uint256[] amounts_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) SetAdvanceSetting(opts *bind.TransactOpts, addresses_ []common.Address, amounts_ []*big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "setAdvanceSetting", addresses_, amounts_)
+}
+
+// SetAdvanceSetting is a paid mutator transaction binding the contract method 0x3c352b0d.
+//
+// Solidity: function setAdvanceSetting(address[] addresses_, uint256[] amounts_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SetAdvanceSetting(addresses_ []common.Address, amounts_ []*big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetAdvanceSetting(&_FeralfileExhibitionV42.TransactOpts, addresses_, amounts_)
+}
+
+// SetAdvanceSetting is a paid mutator transaction binding the contract method 0x3c352b0d.
+//
+// Solidity: function setAdvanceSetting(address[] addresses_, uint256[] amounts_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) SetAdvanceSetting(addresses_ []common.Address, amounts_ []*big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetAdvanceSetting(&_FeralfileExhibitionV42.TransactOpts, addresses_, amounts_)
+}
+
+// SetApprovalForAll is a paid mutator transaction binding the contract method 0xa22cb465.
+//
+// Solidity: function setApprovalForAll(address operator, bool approved) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) SetApprovalForAll(opts *bind.TransactOpts, operator common.Address, approved bool) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "setApprovalForAll", operator, approved)
+}
+
+// SetApprovalForAll is a paid mutator transaction binding the contract method 0xa22cb465.
+//
+// Solidity: function setApprovalForAll(address operator, bool approved) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SetApprovalForAll(operator common.Address, approved bool) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetApprovalForAll(&_FeralfileExhibitionV42.TransactOpts, operator, approved)
+}
+
+// SetApprovalForAll is a paid mutator transaction binding the contract method 0xa22cb465.
+//
+// Solidity: function setApprovalForAll(address operator, bool approved) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) SetApprovalForAll(operator common.Address, approved bool) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetApprovalForAll(&_FeralfileExhibitionV42.TransactOpts, operator, approved)
+}
+
+// SetCostReceiver is a paid mutator transaction binding the contract method 0x1623528f.
+//
+// Solidity: function setCostReceiver(address costReceiver_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) SetCostReceiver(opts *bind.TransactOpts, costReceiver_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "setCostReceiver", costReceiver_)
+}
+
+// SetCostReceiver is a paid mutator transaction binding the contract method 0x1623528f.
+//
+// Solidity: function setCostReceiver(address costReceiver_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SetCostReceiver(costReceiver_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetCostReceiver(&_FeralfileExhibitionV42.TransactOpts, costReceiver_)
+}
+
+// SetCostReceiver is a paid mutator transaction binding the contract method 0x1623528f.
+//
+// Solidity: function setCostReceiver(address costReceiver_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) SetCostReceiver(costReceiver_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetCostReceiver(&_FeralfileExhibitionV42.TransactOpts, costReceiver_)
+}
+
+// SetSigner is a paid mutator transaction binding the contract method 0x6c19e783.
+//
+// Solidity: function setSigner(address signer_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) SetSigner(opts *bind.TransactOpts, signer_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "setSigner", signer_)
+}
+
+// SetSigner is a paid mutator transaction binding the contract method 0x6c19e783.
+//
+// Solidity: function setSigner(address signer_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SetSigner(signer_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetSigner(&_FeralfileExhibitionV42.TransactOpts, signer_)
+}
+
+// SetSigner is a paid mutator transaction binding the contract method 0x6c19e783.
+//
+// Solidity: function setSigner(address signer_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) SetSigner(signer_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetSigner(&_FeralfileExhibitionV42.TransactOpts, signer_)
+}
+
+// SetTokenBaseURI is a paid mutator transaction binding the contract method 0x8ef79e91.
+//
+// Solidity: function setTokenBaseURI(string baseURI_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) SetTokenBaseURI(opts *bind.TransactOpts, baseURI_ string) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "setTokenBaseURI", baseURI_)
+}
+
+// SetTokenBaseURI is a paid mutator transaction binding the contract method 0x8ef79e91.
+//
+// Solidity: function setTokenBaseURI(string baseURI_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SetTokenBaseURI(baseURI_ string) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetTokenBaseURI(&_FeralfileExhibitionV42.TransactOpts, baseURI_)
+}
+
+// SetTokenBaseURI is a paid mutator transaction binding the contract method 0x8ef79e91.
+//
+// Solidity: function setTokenBaseURI(string baseURI_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) SetTokenBaseURI(baseURI_ string) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetTokenBaseURI(&_FeralfileExhibitionV42.TransactOpts, baseURI_)
+}
+
+// SetVault is a paid mutator transaction binding the contract method 0x6817031b.
+//
+// Solidity: function setVault(address vault_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) SetVault(opts *bind.TransactOpts, vault_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "setVault", vault_)
+}
+
+// SetVault is a paid mutator transaction binding the contract method 0x6817031b.
+//
+// Solidity: function setVault(address vault_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) SetVault(vault_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetVault(&_FeralfileExhibitionV42.TransactOpts, vault_)
+}
+
+// SetVault is a paid mutator transaction binding the contract method 0x6817031b.
+//
+// Solidity: function setVault(address vault_) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) SetVault(vault_ common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.SetVault(&_FeralfileExhibitionV42.TransactOpts, vault_)
+}
+
+// StartSale is a paid mutator transaction binding the contract method 0xb66a0e5d.
+//
+// Solidity: function startSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) StartSale(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "startSale")
+}
+
+// StartSale is a paid mutator transaction binding the contract method 0xb66a0e5d.
+//
+// Solidity: function startSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) StartSale() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.StartSale(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// StartSale is a paid mutator transaction binding the contract method 0xb66a0e5d.
+//
+// Solidity: function startSale() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) StartSale() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.StartSale(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// StopSaleAndBurn is a paid mutator transaction binding the contract method 0xb9b8311a.
+//
+// Solidity: function stopSaleAndBurn() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) StopSaleAndBurn(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "stopSaleAndBurn")
+}
+
+// StopSaleAndBurn is a paid mutator transaction binding the contract method 0xb9b8311a.
+//
+// Solidity: function stopSaleAndBurn() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) StopSaleAndBurn() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.StopSaleAndBurn(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// StopSaleAndBurn is a paid mutator transaction binding the contract method 0xb9b8311a.
+//
+// Solidity: function stopSaleAndBurn() returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) StopSaleAndBurn() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.StopSaleAndBurn(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// StopSaleAndTransfer is a paid mutator transaction binding the contract method 0x65a46e08.
+//
+// Solidity: function stopSaleAndTransfer(uint256[] seriesIds, address[] recipientAddresses) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) StopSaleAndTransfer(opts *bind.TransactOpts, seriesIds []*big.Int, recipientAddresses []common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "stopSaleAndTransfer", seriesIds, recipientAddresses)
+}
+
+// StopSaleAndTransfer is a paid mutator transaction binding the contract method 0x65a46e08.
+//
+// Solidity: function stopSaleAndTransfer(uint256[] seriesIds, address[] recipientAddresses) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) StopSaleAndTransfer(seriesIds []*big.Int, recipientAddresses []common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.StopSaleAndTransfer(&_FeralfileExhibitionV42.TransactOpts, seriesIds, recipientAddresses)
+}
+
+// StopSaleAndTransfer is a paid mutator transaction binding the contract method 0x65a46e08.
+//
+// Solidity: function stopSaleAndTransfer(uint256[] seriesIds, address[] recipientAddresses) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) StopSaleAndTransfer(seriesIds []*big.Int, recipientAddresses []common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.StopSaleAndTransfer(&_FeralfileExhibitionV42.TransactOpts, seriesIds, recipientAddresses)
+}
+
+// TransferFrom is a paid mutator transaction binding the contract method 0x23b872dd.
+//
+// Solidity: function transferFrom(address from, address to, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) TransferFrom(opts *bind.TransactOpts, from common.Address, to common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "transferFrom", from, to, tokenId)
+}
+
+// TransferFrom is a paid mutator transaction binding the contract method 0x23b872dd.
+//
+// Solidity: function transferFrom(address from, address to, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) TransferFrom(from common.Address, to common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.TransferFrom(&_FeralfileExhibitionV42.TransactOpts, from, to, tokenId)
+}
+
+// TransferFrom is a paid mutator transaction binding the contract method 0x23b872dd.
+//
+// Solidity: function transferFrom(address from, address to, uint256 tokenId) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) TransferFrom(from common.Address, to common.Address, tokenId *big.Int) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.TransferFrom(&_FeralfileExhibitionV42.TransactOpts, from, to, tokenId)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) TransferOwnership(opts *bind.TransactOpts, newOwner common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "transferOwnership", newOwner)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) TransferOwnership(newOwner common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.TransferOwnership(&_FeralfileExhibitionV42.TransactOpts, newOwner)
+}
+
+// TransferOwnership is a paid mutator transaction binding the contract method 0xf2fde38b.
+//
+// Solidity: function transferOwnership(address newOwner) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) TransferOwnership(newOwner common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.TransferOwnership(&_FeralfileExhibitionV42.TransactOpts, newOwner)
+}
+
+// UpdateOperatorFilterRegistry is a paid mutator transaction binding the contract method 0x114ba8ee.
+//
+// Solidity: function updateOperatorFilterRegistry(address operatorFilterRegisterAddress) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) UpdateOperatorFilterRegistry(opts *bind.TransactOpts, operatorFilterRegisterAddress common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.Transact(opts, "updateOperatorFilterRegistry", operatorFilterRegisterAddress)
+}
+
+// UpdateOperatorFilterRegistry is a paid mutator transaction binding the contract method 0x114ba8ee.
+//
+// Solidity: function updateOperatorFilterRegistry(address operatorFilterRegisterAddress) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) UpdateOperatorFilterRegistry(operatorFilterRegisterAddress common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.UpdateOperatorFilterRegistry(&_FeralfileExhibitionV42.TransactOpts, operatorFilterRegisterAddress)
+}
+
+// UpdateOperatorFilterRegistry is a paid mutator transaction binding the contract method 0x114ba8ee.
+//
+// Solidity: function updateOperatorFilterRegistry(address operatorFilterRegisterAddress) returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) UpdateOperatorFilterRegistry(operatorFilterRegisterAddress common.Address) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.UpdateOperatorFilterRegistry(&_FeralfileExhibitionV42.TransactOpts, operatorFilterRegisterAddress)
+}
+
+// Receive is a paid mutator transaction binding the contract receive function.
+//
+// Solidity: receive() payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Transactor) Receive(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.contract.RawTransact(opts, nil) // calldata is disallowed for receive function
+}
+
+// Receive is a paid mutator transaction binding the contract receive function.
+//
+// Solidity: receive() payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Session) Receive() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.Receive(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// Receive is a paid mutator transaction binding the contract receive function.
+//
+// Solidity: receive() payable returns()
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42TransactorSession) Receive() (*types.Transaction, error) {
+	return _FeralfileExhibitionV42.Contract.Receive(&_FeralfileExhibitionV42.TransactOpts)
+}
+
+// FeralfileExhibitionV42ApprovalIterator is returned from FilterApproval and is used to iterate over the raw logs and unpacked data for Approval events raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42ApprovalIterator struct {
+	Event *FeralfileExhibitionV42Approval // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *FeralfileExhibitionV42ApprovalIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(FeralfileExhibitionV42Approval)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(FeralfileExhibitionV42Approval)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *FeralfileExhibitionV42ApprovalIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *FeralfileExhibitionV42ApprovalIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// FeralfileExhibitionV42Approval represents a Approval event raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42Approval struct {
+	Owner    common.Address
+	Approved common.Address
+	TokenId  *big.Int
+	Raw      types.Log // Blockchain specific contextual infos
+}
+
+// FilterApproval is a free log retrieval operation binding the contract event 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925.
+//
+// Solidity: event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) FilterApproval(opts *bind.FilterOpts, owner []common.Address, approved []common.Address, tokenId []*big.Int) (*FeralfileExhibitionV42ApprovalIterator, error) {
+
+	var ownerRule []interface{}
+	for _, ownerItem := range owner {
+		ownerRule = append(ownerRule, ownerItem)
+	}
+	var approvedRule []interface{}
+	for _, approvedItem := range approved {
+		approvedRule = append(approvedRule, approvedItem)
+	}
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.FilterLogs(opts, "Approval", ownerRule, approvedRule, tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42ApprovalIterator{contract: _FeralfileExhibitionV42.contract, event: "Approval", logs: logs, sub: sub}, nil
+}
+
+// WatchApproval is a free log subscription operation binding the contract event 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925.
+//
+// Solidity: event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) WatchApproval(opts *bind.WatchOpts, sink chan<- *FeralfileExhibitionV42Approval, owner []common.Address, approved []common.Address, tokenId []*big.Int) (event.Subscription, error) {
+
+	var ownerRule []interface{}
+	for _, ownerItem := range owner {
+		ownerRule = append(ownerRule, ownerItem)
+	}
+	var approvedRule []interface{}
+	for _, approvedItem := range approved {
+		approvedRule = append(approvedRule, approvedItem)
+	}
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.WatchLogs(opts, "Approval", ownerRule, approvedRule, tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(FeralfileExhibitionV42Approval)
+				if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "Approval", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseApproval is a log parse operation binding the contract event 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925.
+//
+// Solidity: event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) ParseApproval(log types.Log) (*FeralfileExhibitionV42Approval, error) {
+	event := new(FeralfileExhibitionV42Approval)
+	if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "Approval", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// FeralfileExhibitionV42ApprovalForAllIterator is returned from FilterApprovalForAll and is used to iterate over the raw logs and unpacked data for ApprovalForAll events raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42ApprovalForAllIterator struct {
+	Event *FeralfileExhibitionV42ApprovalForAll // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *FeralfileExhibitionV42ApprovalForAllIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(FeralfileExhibitionV42ApprovalForAll)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(FeralfileExhibitionV42ApprovalForAll)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *FeralfileExhibitionV42ApprovalForAllIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *FeralfileExhibitionV42ApprovalForAllIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// FeralfileExhibitionV42ApprovalForAll represents a ApprovalForAll event raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42ApprovalForAll struct {
+	Owner    common.Address
+	Operator common.Address
+	Approved bool
+	Raw      types.Log // Blockchain specific contextual infos
+}
+
+// FilterApprovalForAll is a free log retrieval operation binding the contract event 0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31.
+//
+// Solidity: event ApprovalForAll(address indexed owner, address indexed operator, bool approved)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) FilterApprovalForAll(opts *bind.FilterOpts, owner []common.Address, operator []common.Address) (*FeralfileExhibitionV42ApprovalForAllIterator, error) {
+
+	var ownerRule []interface{}
+	for _, ownerItem := range owner {
+		ownerRule = append(ownerRule, ownerItem)
+	}
+	var operatorRule []interface{}
+	for _, operatorItem := range operator {
+		operatorRule = append(operatorRule, operatorItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.FilterLogs(opts, "ApprovalForAll", ownerRule, operatorRule)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42ApprovalForAllIterator{contract: _FeralfileExhibitionV42.contract, event: "ApprovalForAll", logs: logs, sub: sub}, nil
+}
+
+// WatchApprovalForAll is a free log subscription operation binding the contract event 0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31.
+//
+// Solidity: event ApprovalForAll(address indexed owner, address indexed operator, bool approved)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) WatchApprovalForAll(opts *bind.WatchOpts, sink chan<- *FeralfileExhibitionV42ApprovalForAll, owner []common.Address, operator []common.Address) (event.Subscription, error) {
+
+	var ownerRule []interface{}
+	for _, ownerItem := range owner {
+		ownerRule = append(ownerRule, ownerItem)
+	}
+	var operatorRule []interface{}
+	for _, operatorItem := range operator {
+		operatorRule = append(operatorRule, operatorItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.WatchLogs(opts, "ApprovalForAll", ownerRule, operatorRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(FeralfileExhibitionV42ApprovalForAll)
+				if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "ApprovalForAll", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseApprovalForAll is a log parse operation binding the contract event 0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31.
+//
+// Solidity: event ApprovalForAll(address indexed owner, address indexed operator, bool approved)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) ParseApprovalForAll(log types.Log) (*FeralfileExhibitionV42ApprovalForAll, error) {
+	event := new(FeralfileExhibitionV42ApprovalForAll)
+	if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "ApprovalForAll", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// FeralfileExhibitionV42BurnArtworkIterator is returned from FilterBurnArtwork and is used to iterate over the raw logs and unpacked data for BurnArtwork events raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42BurnArtworkIterator struct {
+	Event *FeralfileExhibitionV42BurnArtwork // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *FeralfileExhibitionV42BurnArtworkIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(FeralfileExhibitionV42BurnArtwork)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(FeralfileExhibitionV42BurnArtwork)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *FeralfileExhibitionV42BurnArtworkIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *FeralfileExhibitionV42BurnArtworkIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// FeralfileExhibitionV42BurnArtwork represents a BurnArtwork event raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42BurnArtwork struct {
+	TokenId *big.Int
+	Raw     types.Log // Blockchain specific contextual infos
+}
+
+// FilterBurnArtwork is a free log retrieval operation binding the contract event 0xbde7938970372996ff103863625e348ef2bf8f38a5b02181be75aafef17c23d5.
+//
+// Solidity: event BurnArtwork(uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) FilterBurnArtwork(opts *bind.FilterOpts, tokenId []*big.Int) (*FeralfileExhibitionV42BurnArtworkIterator, error) {
+
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.FilterLogs(opts, "BurnArtwork", tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42BurnArtworkIterator{contract: _FeralfileExhibitionV42.contract, event: "BurnArtwork", logs: logs, sub: sub}, nil
+}
+
+// WatchBurnArtwork is a free log subscription operation binding the contract event 0xbde7938970372996ff103863625e348ef2bf8f38a5b02181be75aafef17c23d5.
+//
+// Solidity: event BurnArtwork(uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) WatchBurnArtwork(opts *bind.WatchOpts, sink chan<- *FeralfileExhibitionV42BurnArtwork, tokenId []*big.Int) (event.Subscription, error) {
+
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.WatchLogs(opts, "BurnArtwork", tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(FeralfileExhibitionV42BurnArtwork)
+				if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "BurnArtwork", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseBurnArtwork is a log parse operation binding the contract event 0xbde7938970372996ff103863625e348ef2bf8f38a5b02181be75aafef17c23d5.
+//
+// Solidity: event BurnArtwork(uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) ParseBurnArtwork(log types.Log) (*FeralfileExhibitionV42BurnArtwork, error) {
+	event := new(FeralfileExhibitionV42BurnArtwork)
+	if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "BurnArtwork", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// FeralfileExhibitionV42BuyArtworkIterator is returned from FilterBuyArtwork and is used to iterate over the raw logs and unpacked data for BuyArtwork events raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42BuyArtworkIterator struct {
+	Event *FeralfileExhibitionV42BuyArtwork // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *FeralfileExhibitionV42BuyArtworkIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(FeralfileExhibitionV42BuyArtwork)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(FeralfileExhibitionV42BuyArtwork)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *FeralfileExhibitionV42BuyArtworkIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *FeralfileExhibitionV42BuyArtworkIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// FeralfileExhibitionV42BuyArtwork represents a BuyArtwork event raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42BuyArtwork struct {
+	Buyer   common.Address
+	TokenId *big.Int
+	Raw     types.Log // Blockchain specific contextual infos
+}
+
+// FilterBuyArtwork is a free log retrieval operation binding the contract event 0x0475389cd69b8d3163620b43283bf74e8fc71020c3c6cef2a529b5c405e9687f.
+//
+// Solidity: event BuyArtwork(address indexed buyer, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) FilterBuyArtwork(opts *bind.FilterOpts, buyer []common.Address, tokenId []*big.Int) (*FeralfileExhibitionV42BuyArtworkIterator, error) {
+
+	var buyerRule []interface{}
+	for _, buyerItem := range buyer {
+		buyerRule = append(buyerRule, buyerItem)
+	}
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.FilterLogs(opts, "BuyArtwork", buyerRule, tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42BuyArtworkIterator{contract: _FeralfileExhibitionV42.contract, event: "BuyArtwork", logs: logs, sub: sub}, nil
+}
+
+// WatchBuyArtwork is a free log subscription operation binding the contract event 0x0475389cd69b8d3163620b43283bf74e8fc71020c3c6cef2a529b5c405e9687f.
+//
+// Solidity: event BuyArtwork(address indexed buyer, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) WatchBuyArtwork(opts *bind.WatchOpts, sink chan<- *FeralfileExhibitionV42BuyArtwork, buyer []common.Address, tokenId []*big.Int) (event.Subscription, error) {
+
+	var buyerRule []interface{}
+	for _, buyerItem := range buyer {
+		buyerRule = append(buyerRule, buyerItem)
+	}
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.WatchLogs(opts, "BuyArtwork", buyerRule, tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(FeralfileExhibitionV42BuyArtwork)
+				if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "BuyArtwork", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseBuyArtwork is a log parse operation binding the contract event 0x0475389cd69b8d3163620b43283bf74e8fc71020c3c6cef2a529b5c405e9687f.
+//
+// Solidity: event BuyArtwork(address indexed buyer, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) ParseBuyArtwork(log types.Log) (*FeralfileExhibitionV42BuyArtwork, error) {
+	event := new(FeralfileExhibitionV42BuyArtwork)
+	if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "BuyArtwork", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// FeralfileExhibitionV42NewArtworkIterator is returned from FilterNewArtwork and is used to iterate over the raw logs and unpacked data for NewArtwork events raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42NewArtworkIterator struct {
+	Event *FeralfileExhibitionV42NewArtwork // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *FeralfileExhibitionV42NewArtworkIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(FeralfileExhibitionV42NewArtwork)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(FeralfileExhibitionV42NewArtwork)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *FeralfileExhibitionV42NewArtworkIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *FeralfileExhibitionV42NewArtworkIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// FeralfileExhibitionV42NewArtwork represents a NewArtwork event raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42NewArtwork struct {
+	Owner    common.Address
+	SeriesId *big.Int
+	TokenId  *big.Int
+	Raw      types.Log // Blockchain specific contextual infos
+}
+
+// FilterNewArtwork is a free log retrieval operation binding the contract event 0x407d7da1d3b2b1871fbfa2b5b1c4657a3cc5711d3023c552798551c7ee301eea.
+//
+// Solidity: event NewArtwork(address indexed owner, uint256 indexed seriesId, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) FilterNewArtwork(opts *bind.FilterOpts, owner []common.Address, seriesId []*big.Int, tokenId []*big.Int) (*FeralfileExhibitionV42NewArtworkIterator, error) {
+
+	var ownerRule []interface{}
+	for _, ownerItem := range owner {
+		ownerRule = append(ownerRule, ownerItem)
+	}
+	var seriesIdRule []interface{}
+	for _, seriesIdItem := range seriesId {
+		seriesIdRule = append(seriesIdRule, seriesIdItem)
+	}
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.FilterLogs(opts, "NewArtwork", ownerRule, seriesIdRule, tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42NewArtworkIterator{contract: _FeralfileExhibitionV42.contract, event: "NewArtwork", logs: logs, sub: sub}, nil
+}
+
+// WatchNewArtwork is a free log subscription operation binding the contract event 0x407d7da1d3b2b1871fbfa2b5b1c4657a3cc5711d3023c552798551c7ee301eea.
+//
+// Solidity: event NewArtwork(address indexed owner, uint256 indexed seriesId, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) WatchNewArtwork(opts *bind.WatchOpts, sink chan<- *FeralfileExhibitionV42NewArtwork, owner []common.Address, seriesId []*big.Int, tokenId []*big.Int) (event.Subscription, error) {
+
+	var ownerRule []interface{}
+	for _, ownerItem := range owner {
+		ownerRule = append(ownerRule, ownerItem)
+	}
+	var seriesIdRule []interface{}
+	for _, seriesIdItem := range seriesId {
+		seriesIdRule = append(seriesIdRule, seriesIdItem)
+	}
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.WatchLogs(opts, "NewArtwork", ownerRule, seriesIdRule, tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(FeralfileExhibitionV42NewArtwork)
+				if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "NewArtwork", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseNewArtwork is a log parse operation binding the contract event 0x407d7da1d3b2b1871fbfa2b5b1c4657a3cc5711d3023c552798551c7ee301eea.
+//
+// Solidity: event NewArtwork(address indexed owner, uint256 indexed seriesId, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) ParseNewArtwork(log types.Log) (*FeralfileExhibitionV42NewArtwork, error) {
+	event := new(FeralfileExhibitionV42NewArtwork)
+	if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "NewArtwork", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// FeralfileExhibitionV42OwnershipTransferredIterator is returned from FilterOwnershipTransferred and is used to iterate over the raw logs and unpacked data for OwnershipTransferred events raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42OwnershipTransferredIterator struct {
+	Event *FeralfileExhibitionV42OwnershipTransferred // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *FeralfileExhibitionV42OwnershipTransferredIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(FeralfileExhibitionV42OwnershipTransferred)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(FeralfileExhibitionV42OwnershipTransferred)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *FeralfileExhibitionV42OwnershipTransferredIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *FeralfileExhibitionV42OwnershipTransferredIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// FeralfileExhibitionV42OwnershipTransferred represents a OwnershipTransferred event raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42OwnershipTransferred struct {
+	PreviousOwner common.Address
+	NewOwner      common.Address
+	Raw           types.Log // Blockchain specific contextual infos
+}
+
+// FilterOwnershipTransferred is a free log retrieval operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) FilterOwnershipTransferred(opts *bind.FilterOpts, previousOwner []common.Address, newOwner []common.Address) (*FeralfileExhibitionV42OwnershipTransferredIterator, error) {
+
+	var previousOwnerRule []interface{}
+	for _, previousOwnerItem := range previousOwner {
+		previousOwnerRule = append(previousOwnerRule, previousOwnerItem)
+	}
+	var newOwnerRule []interface{}
+	for _, newOwnerItem := range newOwner {
+		newOwnerRule = append(newOwnerRule, newOwnerItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.FilterLogs(opts, "OwnershipTransferred", previousOwnerRule, newOwnerRule)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42OwnershipTransferredIterator{contract: _FeralfileExhibitionV42.contract, event: "OwnershipTransferred", logs: logs, sub: sub}, nil
+}
+
+// WatchOwnershipTransferred is a free log subscription operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) WatchOwnershipTransferred(opts *bind.WatchOpts, sink chan<- *FeralfileExhibitionV42OwnershipTransferred, previousOwner []common.Address, newOwner []common.Address) (event.Subscription, error) {
+
+	var previousOwnerRule []interface{}
+	for _, previousOwnerItem := range previousOwner {
+		previousOwnerRule = append(previousOwnerRule, previousOwnerItem)
+	}
+	var newOwnerRule []interface{}
+	for _, newOwnerItem := range newOwner {
+		newOwnerRule = append(newOwnerRule, newOwnerItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.WatchLogs(opts, "OwnershipTransferred", previousOwnerRule, newOwnerRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(FeralfileExhibitionV42OwnershipTransferred)
+				if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "OwnershipTransferred", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseOwnershipTransferred is a log parse operation binding the contract event 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0.
+//
+// Solidity: event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) ParseOwnershipTransferred(log types.Log) (*FeralfileExhibitionV42OwnershipTransferred, error) {
+	event := new(FeralfileExhibitionV42OwnershipTransferred)
+	if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "OwnershipTransferred", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// FeralfileExhibitionV42TransferIterator is returned from FilterTransfer and is used to iterate over the raw logs and unpacked data for Transfer events raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42TransferIterator struct {
+	Event *FeralfileExhibitionV42Transfer // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *FeralfileExhibitionV42TransferIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(FeralfileExhibitionV42Transfer)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(FeralfileExhibitionV42Transfer)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *FeralfileExhibitionV42TransferIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *FeralfileExhibitionV42TransferIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// FeralfileExhibitionV42Transfer represents a Transfer event raised by the FeralfileExhibitionV42 contract.
+type FeralfileExhibitionV42Transfer struct {
+	From    common.Address
+	To      common.Address
+	TokenId *big.Int
+	Raw     types.Log // Blockchain specific contextual infos
+}
+
+// FilterTransfer is a free log retrieval operation binding the contract event 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef.
+//
+// Solidity: event Transfer(address indexed from, address indexed to, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) FilterTransfer(opts *bind.FilterOpts, from []common.Address, to []common.Address, tokenId []*big.Int) (*FeralfileExhibitionV42TransferIterator, error) {
+
+	var fromRule []interface{}
+	for _, fromItem := range from {
+		fromRule = append(fromRule, fromItem)
+	}
+	var toRule []interface{}
+	for _, toItem := range to {
+		toRule = append(toRule, toItem)
+	}
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.FilterLogs(opts, "Transfer", fromRule, toRule, tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return &FeralfileExhibitionV42TransferIterator{contract: _FeralfileExhibitionV42.contract, event: "Transfer", logs: logs, sub: sub}, nil
+}
+
+// WatchTransfer is a free log subscription operation binding the contract event 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef.
+//
+// Solidity: event Transfer(address indexed from, address indexed to, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) WatchTransfer(opts *bind.WatchOpts, sink chan<- *FeralfileExhibitionV42Transfer, from []common.Address, to []common.Address, tokenId []*big.Int) (event.Subscription, error) {
+
+	var fromRule []interface{}
+	for _, fromItem := range from {
+		fromRule = append(fromRule, fromItem)
+	}
+	var toRule []interface{}
+	for _, toItem := range to {
+		toRule = append(toRule, toItem)
+	}
+	var tokenIdRule []interface{}
+	for _, tokenIdItem := range tokenId {
+		tokenIdRule = append(tokenIdRule, tokenIdItem)
+	}
+
+	logs, sub, err := _FeralfileExhibitionV42.contract.WatchLogs(opts, "Transfer", fromRule, toRule, tokenIdRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(FeralfileExhibitionV42Transfer)
+				if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "Transfer", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseTransfer is a log parse operation binding the contract event 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef.
+//
+// Solidity: event Transfer(address indexed from, address indexed to, uint256 indexed tokenId)
+func (_FeralfileExhibitionV42 *FeralfileExhibitionV42Filterer) ParseTransfer(log types.Log) (*FeralfileExhibitionV42Transfer, error) {
+	event := new(FeralfileExhibitionV42Transfer)
+	if err := _FeralfileExhibitionV42.contract.UnpackLog(event, "Transfer", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}